<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8"/>
    <title>Style header sibling </title>
</head>
<body>
    <h1>h1111111111</h1>
    <p>1111111111</p>
    <p>1111111111</p>
    <p>1111111111</p>
    <h1>h2222222222222222222</h1>
    <p>2222222222222222</p>
    <p>2222222222222222</p>
    <p>2222222222222222</p>
    <p>2222222222222222</p>
    <script src="./scripts/addLoadEvent.js"></script>
    <script src="./scripts/styleHeaderSiblings.js"></script>
</body>
</html>